Samantha1999
Samantha1999 Samantha1999
  • 02-02-2018
  • Mathematics
contestada

Solve by factoring.

x2 + 6x = - 9. Hint: This is a double root.

Respuesta :

Аноним Аноним
  • 02-02-2018
x^2 + 6x = -9
( x + 3)^2 - 9 = -9
(x + 3)^2 = -9 + 9 = 0

x + 3 = 0

x = -3 ( double root)
Answer Link

Otras preguntas

Aqueous solutions of this ion give a reddish precipitate when excess hydroxide ion is added. (A) Cu^{2+} (B) CO₃^{2−} (C) Fe^{3+} (D) Al^{3+} (E) Pb^{2+}
You are given two solid materials one that is organic and one that is not organic. Describe three tests you could perform to help you decide which is which.
A person sees a ball and kicks it, in part because of actions of the nervous system. Using the parts of the nervous system listed bellow, describe the path of n
Solve equation using square root property X2-8X+16=1
2*10^30/1.4*10^27 and round it to the nearest tenth
What is the sales rate for 5% of $50
Which substance does not obey the Lewis octet rule? a. O₂ b. NO c. CO d. N₂ Can anyone explain this one for me?
what does diametor mean?
How much does 3000 kg = to get tons
What hardships did the south face after the civil war????